/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/**
 * This script, when included in a html file, can be used to make collapsible menus
 *
 * Typical usage:
 * <script type="text/javascript" language="JavaScript" src="menu.js"></script>
 */

if (document.getElementById) {
    document.write('<style type="text/css">.menuitemgroup{display: none;}</style>')
}

function SwitchMenu(obj) {
    if (document.getElementById) {
        var el = document.getElementById(obj);
        var title = document.getElementById(obj + 'Title');

        if (obj.indexOf("_selected_") == 0 && el.style.display == "") {
            el.style.display = "block";
            title.className = "pagegroupselected";
        }

        if (el.style.display != "block") {
            el.style.display = "block";
            title.className = "pagegroupopen";
        }
        else {
            el.style.display = "none";
            title.className = "pagegroup";
        }
    }// end -  if(document.getElementById) 
}//end - function SwitchMenu(obj)
